7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHBecker Traffic Pro and battery drain
Leading reported evidence
Check now
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No successful repair reported for this finding.
0
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0
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1
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Read evidence and context
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Leading evidence: 'Check now' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check now' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
When disconnecting radio socket A current drain stops.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Club GB: 1 discussions
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Generation: 20261026T161109Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Installed a traffic Pro a while ago and have experienced flat battery on regular basis since. Didn't put 2+2 together until doing some testing to locate source of current drain. Fuse D8(radio) drawing 0.3A . When disconnecting radio socket A current drain stops. Put the old Porsche cdr unit back in and everything is fine, no drain.
The odd thing about this being...Socket A on the back of the radio appears (according to the pin-outs on both units)to be pin for pin identical on both units. There is something mentioned in the Becker manual about excessive current drain if the wiring is not the same but the pin outs are identical? What am i missing? Other than draining the battery the Becker TP works fine. I am assuming something gets connected on the Becker that isn't on the Porsche CDR (apart from the Nav pins for speed and reverse). Any light shed on this greatly appreciated.
In that case it should be virtually plug & play, so I don't see why the TrafficPro should draw so much current in 'standby'. If it was me, I would bench test it with a battery, and measure the current drain. If it remains at 0.3A with the ignition-switched supply off, then it must be the unit at fault, rather than a car wiring issue.
Good idea. I will give that a go. Actually that has just got me thinking. Can the radio be switched on without the key in the ignition? Been nearly a week now but seem to recall mine could? Going to have to double check now. There is something in the TSB about the different ways in which the radio powers up. I will go back and have a read.
Perhaps this might explain the current drain. From the TSB
- Check that audio CD operation and radio operation are possible with the ignition switched on and off (terminal 86s still connected) as well as with the ignition key removed (terminal 86s not connected).
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